(N.) A cheesy Exclamation used at Basketball Games by idiots to make people feel like they have really accomplished something.
"Three-Pointer! Boom Shacka Lacka!"
by G-Union 2 November 10, 2004
"Mick raised the shotgun and pointed in Charlies face and BOOM, SHAKA LACKA Chuck was all over, literally."
by Augustjaz711 October 30, 2008